See Welsh Chapels and Churches for a photograph of Llanddewi Ystradenni St David's Church
Church of St David, Llanddewi Ystradenni on the Radnorshire Churches Survey site
Church and chapel data from The Religious census of 1851 : A Calendar of the returns relating to Wales, Vol 1, South Wales. Ed. by I.G Jones, & D. Williams. UWP, Cardiff, 1976. The names given towards the end of each entry are those of the informants.
Llandewy-Ystradenny Parish consisting of part of Llanfihangel-Rhydithon Township, Mystyrrhoesllowdy Township and Church Township; Statistics; Area 8075 acres; Population 362 males, 324 females, total 692
- There are no returns for this parish